CMWSSB Complaint Analytics
Chennai Metro Water · Complaint Intelligence
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Showing All depots 28 Feb 2025, 07:58 – 02 Sep 2026, 07:39
Use the Depot filter above to change scope
📈
Overall trend
28 complaints in this window
⚠️
Rising issue (last 30 days)
No Water Supply ▲ +1
Open backlog
0 open / escalated · worst: 126 (0)
📍
Fastest-recurring hotspot
Loop Road · Sewer Main Block ×21 · 1.14/mo
28
Total Complaints
28
Closed · 100%
0
Open / Escalated
1
Streets Affected
18
Distinct Complainants
Reporting Period
28 Feb 2025, 07:58
02 Sep 2026, 07:39
Download report: 📄 Overview PDF 📄 Street×Category PDF 📄 Recurrence PDF ⬇ Street Frequency CSV ⬇ Full data CSV

Complaints by Depot (closed vs open)

Depot Comparison

DepotTotalClosedOpenStreets
DEP 126 26 26 (100%) 0 1
DEP 125 1 1 (100%) 0 1
DEP 114 1 1 (100%) 0 1

Complaint Categories

CSV

Monthly Trend (with 3-month average)

Status

Complaint Mode

Top Streets

View all
StreetDepotComplaintsPeople
Loop Road DEP 126 26 16
Loop Road DEP 114 1 1
Loop Road DEP 125 1 1

🛠 Sewer Complaints (main block · house block · overflow)

CSV PDF
StreetDepotSewerPeople
Loop Road 126 22 13

🚰 Water Complaints (no supply · short supply · leaks)

CSV PDF
StreetDepotWaterPeople
Loop Road 126 4 3
Loop Road 114 1 1
Loop Road 125 1 1

💧 Water Pollution (pollution complaints)

CSV PDF
StreetDepotPollut.People
No pollution complaints in this scope.

🔁 Recurrence — how often the same issue comes back (same category · same street)

PDF
CategoryStreetDepotTimesSpan (days)Avg gap (days)Per month
Sewer Main Block Loop Road 126 21 551 27.5 1.14

Avg gap = average days between consecutive complaints of that type on that street. Lower gap / higher “per month” = a faster-recurring, unresolved problem.

🔬 Advanced Analysis

Pareto — the vital few (which categories drive most complaints)

Categories ordered by volume with their cumulative share. The highlighted rows are the smallest set that together account for ~80% of all complaints — fix these first.

CategoryCountShareCumulative
Sewer Main Block vital 21 75% 75%
No Water Supply vital 4 14.3% 89.3%
Water Leakage in Service Line / Main Line 2 7.1% 96.4%
Sewer Machine Hole Open (or) Broken 1 3.6% 100%

When complaints arrive (weekday × time of day)

Load pattern across the week — darker cells are busier six-hour windows. Useful for staffing and planning proactive checks before the peak.

NightMorningAfternoonEveningTotal
Mon 2 2
Tue 1 2 3
Wed 4 2 6
Thu 5 3 8
Fri 2 2
Sat 2 1 3
Sun 2 2 4
Total 014113 28

Linked problems (category pairs that hit the same streets)

Pairs of issue types that recur together on the same street, ranked by the number of streets where both appear. Strong pairs point to a shared root cause worth fixing in one visit.

Problem AProblem BShared streets
Not enough overlapping complaints in this scope.